Henri Robert Marcel Duchamp ( 1887 - 1968 ) was a French painter. Henri Robert Marcel Duchamp s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 240.04 USD for Coeurs Volants in 2017 to 4375 USD for Boite Alerte, Missives Lascives: Exposition inteRnatiOnale du Surrealism (EROS) in 2018 , based on the size and medium of the artwork.